On Mon, Oct 30, 2023, Paolo Bonzini wrote: > On 10/27/23 20:21, Sean Christopherson wrote: > > @@ -635,6 +635,13 @@ static __always_inline kvm_mn_ret_t __kvm_handle_hva_range(struct kvm *kvm, > > * the second or later invocation of the handler). > > */ > > gfn_range.arg = range->arg; > > + > > + /* > > + * HVA-based notifications aren't relevant to private > > + * mappings as they don't have a userspace mapping. > > It's confusing who "they" is. Maybe > > * HVA-based notifications provide a userspace address, > * and as such are only relevant for shared mappings. Works for me.